1. Department of Orthopaedic Surgery, Rush University Medical Center, Chicago, IL, USA
2. International Spine Research and Innovation Initiative, Rush University Medical Center, Chicago, IL, USA
3. Department of Rehabilitation Sciences, The Hong Kong Polytechnic University, Hong Kong SAR, China
4. World Spine Care, Santa Ana, CA, USA
5. Faculty of Health Sciences, University of Ontario Institute of Technology, Oshawa, ON, Canada
6. Department of Neurology, University of California, Irvine, CA, USA